iStat nano is a system monitoring widget with a tiny footprint and a beautifully animated user interface. It might be small, but iStat nano can show you detailed statistics about almost every aspect of your Mac, including CPU, memory, hard drive space, bandwidth usage, temperatures, fan speeds, battery, uptime and the top 5 processes.

It also shows your public IP address, which be can copied to your clipboard by pressing “i” on your keyboard.